]> GH barcode-01856597 United States of America California Titus Canyon. Grapevine Mts., n.e. side of Death Valley. (Enter canyon from above from Nev. Hwy. #58) Argemone munita subsp. argentea G. B. Ownbey G. B. Ownbey 2020-06-30 14:17:28 R. M. Straw